SBVS032J March   2002  – July 2025 REF30 , REF30E

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 REF30E
    6. 6.6 REF30
    7. 6.7 Typical Characteristics REF30E
    8. 6.8 Typical Characteristics REF30
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Supply Voltage
      2. 7.3.2 Thermal Hysteresis
      3. 7.3.3 Temperature Drift
      4. 7.3.4 Noise Performance
      5. 7.3.5 Long-Term Stability
      6. 7.3.6 Load Regulation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Negative Reference Voltage
      2. 7.4.2 Data Acquisition
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Related Links
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 REF30

at TA = 25°C, VIN = 5V, and ILOAD = 0mA (unless otherwise noted)
PARAMETER TEST CONDITION MIN TYP MAX UNIT
REF3012 (1.25V)(1)
VOUT Output Voltage 1.2475 1.25 1.2525 V
Initial accuracy 0.2 %
Output voltage noise ƒ = 10Hz to 1kHz 14 µVPP
ƒ = 10Hz to 10kHz 42 µVrms
Line regulation 1.8V ≤ VIN ≤ 5.5V 60 190 µV/V
REF3020 (2.048V)
VOUT Output Voltage 2.044 2.048 2.052 V
Initial accuracy 0.2 %
Output voltage noise ƒ = 10Hz to 1kHz 23 µVPP
ƒ = 10Hz to 10kHz 65 µVrms
Line regulation VREF + 50mV ≤ VIN ≤ 5.5V 110 290 µV/V
REF3025 (2.5V)
VOUT Output Voltage 2.495 2.5 2.505 V
Initial accuracy 0.2 %
Output voltage noise ƒ = 10Hz to 1kHz 28 µVPP
ƒ = 10Hz to 10kHz 80 µVrms
Line regulation VREF + 50mV ≤ VIN ≤ 5.5V 120 325 µV/V
REF3030 (3.0V)
VOUT Output Voltage 2.994 3 3.06 V
Initial accuracy 0.2 %
Output voltage noise ƒ = 10Hz to 1kHz 33 µVPP
ƒ = 10Hz to 10kHz 94 µVrms
Line regulation VREF + 50mV ≤ VIN ≤ 5.5V 120 375 µV/V
REF3033 (3.3V)
VOUT Output Voltage 3.294 3.3 3.306 V
Initial accuracy 0.2 %
Output voltage noise ƒ = 10Hz to 1kHz 36 µVPP
ƒ = 10Hz to 10kHz 105 µVrms
Line regulation VREF + 50mV ≤ VIN ≤ 5.5V 130 400 µV/V
REF3040 (4.096V)
VOUT Output Voltage 4.088 4.096 4.104 V
Initial accuracy 0.2 %
Output voltage noise ƒ = 10Hz to 1kHz 45 µVPP
ƒ = 10Hz to 10kHz 128 µVrms
Line regulation VREF + 50mV ≤ VIN ≤ 5.5V 160 410 µV/V
REF30xx
dVOUT/dT Output voltage temperature drift(2) 0°C ≤ TA ≤ 70°C 20 50 ppm/°C
–30°C ≤ TA ≤ +85°C 28 60
–40°C ≤ TA ≤ +85°C 30 65
–40°C ≤ TA ≤ +125°C 35 75
dVOUT/dILOAD Load regulation(3) 0mA < ILOAD < 25mA, VIN = VREF + 500mV(1) 3 100 ppm
Thermal hysteresis(4) 25 100 ppm
Long Term stability 0000h to 1000h 24 ppm
1000h to 2000h 15
VDO Dropout voltage 1 50 mV
ISC Short-circuit current 45 mA
Turnon settling time To 0.1% with CL = 1μF 120 µs
POWER SUPPLY
IQ Quiescent current TA = 25C 42 50 µA
–40°C ≤ TA ≤ +125°C 59
(1) The minimum supply voltage for the REF3012 is 1.8V.
(2) Box method used to determine over temperature drift.
(3) Typical value of load regulation reflects measurements using a force and sense contacts see Section 8.3.6 section.
(4) Thermal hysteresis procedure explained in more detail in Section 8.3.2 section.